<template>
    <div class="login_container">
        <!-- 登录盒子  -->
        <div class="login_box">
            <!-- 头像 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 登录表单 -->
            <el-form :model="loginForm" :rules="loginFormRules" ref="LoginFormRef" label-width="0px" class="login_form">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="el-icon-user-solid" ></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input type="password" v-model="loginForm.password" prefix-icon="el-icon-lock"></el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login()">登录</el-button>
                    <el-button type="info" @click="clear()" >重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
    export default {
        data(){
            return {
                loginForm:{
                    username:"",
                    password:""
                },
                loginFormRules:{
                    username:[
                        {required:true,message:"账号不能为空",trigger:"blur"}
                    ],
                    password:[
                        {required:true,message:"密码不能为空",trigger:"blur"},
                        {min:6,max:12,message:"密码长度为6到12位",trigger:"blur"}
                    ]
                }
            }
        },
        methods: {
            login(){
                var that =this
                this.$refs.LoginFormRef.validate((valid)=>{
                    if (valid) { //调用后端接口
                        this.$http.post("system/login",this.loginForm).then(r=>{
                          if( r.data.code==2000){
                              sessionStorage.setItem("token",r.data.result.token)
                              this.$message.success("登陆成功");
                              this.$router.push("main");
                          }else{
                              this.$message.error("登陆失败");
                          }


                        })



                    }
                })
            },
            clear(){
                this.$refs.LoginFormRef.resetFields()


            }
        }
    }
</script>

<style lang="less" scoped>
    .login_container {
        background-color: #2b5b6b;
        height: 100%;
    }
    .login_box {
        width: 450px;
        height: 300px;
        background: #fff;
        border-radius: 3px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        .avatar_box {
            height: 130px;
            width: 130px;
            border: 1px solid #eee;
            border-radius: 50%;
            padding: 10px;
            box-shadow: 0 0 10px #ddd;
            position: absolute;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #fff;
            img {
                width: 100%;
                height: 100%;
                border-radius: 50%;
                background-color: #eee;
            }
        }
    }


    .login_form {
        position: absolute;
        bottom: 0;
        width: 100%;
        padding: 0 20px;
        box-sizing: border-box;
    }
    .btns {
        display: flex;
        justify-content: flex-end;
    }

</style>